<?php
 
 
namespace app\admin\common;
 
 
use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
use PhpOffice\PhpSpreadsheet\Cell\DataType;
use PhpOffice\PhpSpreadsheet\IOFactory;
use PhpOffice\PhpSpreadsheet\Reader\Xls;
use PhpOffice\PhpSpreadsheet\Reader\Xlsx;
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Style\Alignment;
use PhpOffice\PhpSpreadsheet\Style\Border;
use PhpOffice\PhpSpreadsheet\Style\Color;
use PhpOffice\PhpSpreadsheet\Style\Fill;
use PhpOffice\PhpSpreadsheet\Style\NumberFormat;
use PhpOffice\PhpSpreadsheet\Worksheet\PageSetup;
use think\Controller;
 
class Excel extends Controller
{
    /**
     * 使用PHPEXECL导入
     *
     * @param string $file      文件地址
     * @param int    $sheet     工作表sheet(传0则获取第一个sheet)
     * @param int    $columnCnt 列数(传0则自动获取最大列)
     * @param array  $options   操作选项
     *                          array mergeCells 合并单元格数组
     *                          array formula    公式数组
     *                          array format     单元格格式数组
     *
     * @return array
     * @throws Exception
     */
    function importExecl($file = '', $sheet = 0, $columnCnt = 0, &$options = [])
    {
        try {
            /* 转码 */
            $file = iconv("utf-8", "gb2312", $file);
 
            if (empty($file) OR !file_exists($file)) {
                $msg['code'] = 0;
                $msg['tips'] = '文件不存在!';
                return $msg;
                //throw new \Exception('文件不存在!');
            }
 
            /** @var Xlsx $objRead */
            $objRead = IOFactory::createReader('Xlsx');
 
            if (!$objRead->canRead($file)) {
                /** @var Xls $objRead */
                $objRead = IOFactory::createReader('Xls');
 
                if (!$objRead->canRead($file)) {
                    $msg['code'] = 0;
                    $msg['tips'] = '只支持导入Excel文件!';
                    return $msg;
                    //throw new \Exception('只支持导入Excel文件！');
                }
            }
 
            /* 如果不需要获取特殊操作，则只读内容，可以大幅度提升读取Excel效率 */
            empty($options) && $objRead->setReadDataOnly(true);
            /* 建立excel对象 */
            $obj = $objRead->load($file);
            /* 获取指定的sheet表 */
            $currSheet = $obj->getSheet($sheet);
 
            if (isset($options['mergeCells'])) {
                /* 读取合并行列 */
                $options['mergeCells'] = $currSheet->getMergeCells();
            }
 
            if (0 == $columnCnt) {
                /* 取得最大的列号 */
                $columnH = $currSheet->getHighestColumn();
                /* 兼容原逻辑，循环时使用的是小于等于 */
                $columnCnt = Coordinate::columnIndexFromString($columnH);
            }
 
            /* 获取总行数 */
            $rowCnt = $currSheet->getHighestRow();
            $data   = [];
 
            /* 读取内容 */
            for ($_row = 1; $_row <= $rowCnt; $_row++) {
                $isNull = true;
 
                for ($_column = 1; $_column <= $columnCnt; $_column++) {
                    $cellName = Coordinate::stringFromColumnIndex($_column);
                    $cellId   = $cellName . $_row;
                    $cell     = $currSheet->getCell($cellId);
 
                    if (isset($options['format'])) {
                        /* 获取格式 */
                        $format = $cell->getStyle()->getNumberFormat()->getFormatCode();
                        /* 记录格式 */
                        $options['format'][$_row][$cellName] = $format;
                    }
 
                    if (isset($options['formula'])) {
                        /* 获取公式，公式均为=号开头数据 */
                        $formula = $currSheet->getCell($cellId)->getValue();
 
                        if (0 === strpos($formula, '=')) {
                            $options['formula'][$cellName . $_row] = $formula;
                        }
                    }
 
                    if (isset($format) && 'm/d/yyyy' == $format) {
                        /* 日期格式翻转处理 */
                        $cell->getStyle()->getNumberFormat()->setFormatCode('yyyy/mm/dd');
                    }
 
                    $data[$_row][$cellName] = trim($currSheet->getCell($cellId)->getFormattedValue());
 
                    if (!empty($data[$_row][$cellName])) {
                        $isNull = false;
                    }
                }
 
                /* 判断是否整行数据为空，是的话删除该行数据 */
                if ($isNull) {
                    unset($data[$_row]);
                }
            }
 
            return $data;
        } catch (\Exception $e) {
            throw $e;
        }
    }
 
 
    /**
     * Excel导出
     *
     * @param array  $datas      导出数据，格式[['name' => 'alibaba','age' => 18]]
     * @param string $fileName   导出文件名称
     * @param array  $options    操作选项，例如：
     *                           bool   print       设置打印格式
     *                           string freezePane  锁定行数，例如表头为第一行，则锁定表头输入A2
     *                           array  setARGB     设置背景色，例如['A1', 'C1']
     *                           array  setWidth    设置宽度，例如['A' => 30, 'C' => 20]
     *                           bool   setBorder   设置单元格边框
     *                           array  mergeCells  设置合并单元格，例如['A1:J1','A1:J1']
     *                           array  formula     设置公式，例如['F2' => '=IF(D2>0,E42/D2,0)']
     *                           array  format      设置格式，整列设置，例如['A' => 'General']
     *                           array  alignCenter 设置居中样式，例如['A1', 'A2']
     *                           array  bold        设置加粗样式，例如['A1', 'A2']
     *                           string savePath    保存路径，设置后则文件保存到服务器，不通过浏览器下载
     * @param array $param       数据键名  ['0' => 'name','1' => 'age']  ['mergeCells'=>["C6:C7","A6:A7"]


     */
    function exportExcel($datas,$param, $fileName = '', $options='',$o_type,$merge,$title)
    {
        
        try {
            if (empty($datas)) {
                return false;
            }
            if (empty($param)) {
                return false;
            }
            $rows=[];
            for ($i=ord('A'); $i <=116; $i++) { 
                if($i>90){
                    $a=$i-90+64;
                    array_push($rows,'A'.chr($a)); 
                }else{
                    array_push($rows, chr($i));
                }
              
            }
            //列名
            //$rows = ['A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'];
            set_time_limit(0);
            /** @var Spreadsheet $objSpreadsheet */
            $objSpreadsheet = new Spreadsheet();
            //设置默认文字居左，上下居中
            $styleArray = [
                'alignment' => [
                    'horizontal' => Alignment::HORIZONTAL_LEFT,
                    'vertical'   => Alignment::VERTICAL_CENTER,
                ],
            ];
            $objSpreadsheet->getDefaultStyle()->applyFromArray($styleArray);
            //设置Excel Sheet
            $activeSheet = $objSpreadsheet->setActiveSheetIndex(0);
            //打印设置
            /*if (isset($options['print']) && $options['print']) {
                //设置打印为A4效果
                $activeSheet->getPageSetup()->setPaperSize(PageSetup:: PAPERSIZE_A4);
                //设置打印时边距
                $pValue = 1 / 2.54;
                $activeSheet->getPageMargins()->setTop($pValue / 2);
                $activeSheet->getPageMargins()->setBottom($pValue * 2);
                $activeSheet->getPageMargins()->setLeft($pValue / 2);
                $activeSheet->getPageMargins()->setRight($pValue / 2);
            }*/
            // $title['title']="购货订单记录";
            // $title['max_zimu']="AD";
            $title_merge='A1:'. $title['max_zimu'].$title['number'];

            //$activeSheet->setTitle("订单数据"); //给当前活动sheet设置名称
            $volist=[];
            if(isset($merge)&&$merge!=[]){
                foreach ($datas as $sK => $sI) {
                    $volist[$sI[$merge['keyword']]][$sK]= $sI;
                }
            }

            //行数据处理
            foreach ($datas as $sKey => $sItem) {
                //默认文本格式
                $pDataType = DataType::TYPE_STRING;
                //设置单元格格式
                /*if (isset($options['format']) && !empty($options['format'])) {
                    $colRow = Coordinate::coordinateFromString($sKey);
                    //存在该列格式并且有特殊格式
                    if (isset($options['format'][$colRow[0]]) &&
                        NumberFormat::FORMAT_GENERAL != $options['format'][$colRow[0]]) {
                        $activeSheet->getStyle($sKey)->getNumberFormat()
                            ->setFormatCode($options['format'][$colRow[0]]);
 
                        if (false !== strpos($options['format'][$colRow[0]], '0.00') &&
                            is_numeric(str_replace(['￥', ','], '', $sItem))) {
                            //数字格式转换为数字单元格
                            $pDataType = DataType::TYPE_NUMERIC;
                            $sItem     = str_replace(['￥', ','], '', $sItem);
                        }
                    } elseif (is_int($sItem)) {
                        $pDataType = DataType::TYPE_NUMERIC;
                    }
                }*/
                $sKey = $sKey + 1;
                //halt($rows);
                // halt(count($param));
                for ($i = 0;$i < count($param);$i++) {
                    $activeSheet->setCellValueExplicit($rows[$i] .$sKey, $sItem[$param[$i]], $pDataType);
                }
 
                //存在:形式的合并行列，列入A1:B2，则对应合并
                // if (false !== strstr($sKey, ":")) {
                //     $options['mergeCells'][$sKey] = $sKey;
                // }
            }
            // halt($datas);
            //$merge['start'];
            //$merge['arr_zimu'];
            //$merge['keyword']
            $A = [];
            $arr_done=[];
            // halt($volist);

            if(isset($merge['arr_zimu'])&&$merge!=[]){
                // $s = 2;//起始行
                $s=$merge['start'];//起始行
                //$arr_zimu=['A','B','C','D','E','F','G','H','I','J','K'];
                $arr_zimu=$merge['arr_zimu'];
                foreach ($datas  as $k=> $v){
                    $flag=in_array($v[$merge['keyword']], $arr_done);
                    if ($k>=$merge['start'] && !$flag) {
                        $count=count($volist[$v[$merge['keyword']]]);//该sn条数
                        $e = $s+$count-1;
                        foreach ($arr_zimu as $ke1 => $va1) {
                            $A[]=$va1.$s.":".$va1.$e."";
                        }
                        $s=$e+1;
                        array_push($arr_done, $v[$merge['keyword']]);
                       
                    }
                } 
            }
           
            unset($datas);
 
            //设置锁定行
            /*if (isset($options['freezePane']) && !empty($options['freezePane'])) {
                $activeSheet->freezePane($options['freezePane']);
                unset($options['freezePane']);
            }*/
 
            //设置宽度
            /*if (isset($options['setWidth']) && !empty($options['setWidth'])) {
                foreach ($options['setWidth'] as $swKey => $swItem) {
                    $activeSheet->getColumnDimension($swKey)->setWidth($swItem);
                }
 
                unset($options['setWidth']);
            }*/
 
            //设置背景色
            /*if (isset($options['setARGB']) && !empty($options['setARGB'])) {
                foreach ($options['setARGB'] as $sItem) {
                    $activeSheet->getStyle($sItem)
                        ->getFill()->setFillType(Fill::FILL_SOLID)
                        ->getStartColor()->setARGB(Color::COLOR_YELLOW);
                }
 
                unset($options['setARGB']);
            }*/
 
            //设置公式
            /*if (isset($options['formula']) && !empty($options['formula'])) {
                foreach ($options['formula'] as $fKey => $fItem) {
                    $activeSheet->setCellValue($fKey, $fItem);
                }
 
                unset($options['formula']);
            }*/

            array_push($A, $title_merge);
            $options["mergeCells"] =$A;
            //合并行列处理
            if (isset($options['mergeCells']) && !empty($options['mergeCells'])) {

                $activeSheet->setCellValue('A1', $title['title']);
                $activeSheet->setMergeCells($options['mergeCells']);
                unset($options['mergeCells']);
            }
      
            //设置字体大小
            if (isset($options['fontSize']) && !empty($options['fontSize'])) {
                //$fontSize['zimu']=['A1']
                //$fontSize['size']
                foreach ($options['fontSize']['zimu'] as $ke3 => $va3) {
                     $activeSheet->getStyle($va3)->getFont()->setSize($options['fontSize']['size']);
                }
               
            }
            
           
            //设置居中
            //$options["alignCenter"]=$rows;
            if (isset($options['alignCenter']) && !empty($options['alignCenter'])) {
                $styleArray = [
                    'alignment' => [
                        'horizontal' => Alignment::HORIZONTAL_CENTER,
                        'vertical'   => Alignment::VERTICAL_CENTER,
                    ],
                ];
 
                foreach ($options['alignCenter'] as $acItem) {
                    $activeSheet->getStyle($acItem)->applyFromArray($styleArray);
                }
 
                unset($options['alignCenter']);
            }
           
            //设置加粗
            //$options["bold"]=['A1:U3'];
            if (isset($options['bold']) && !empty($options['bold'])) {
                foreach ($options['bold'] as $bItem) {
                    $activeSheet->getStyle($bItem)->getFont()->setBold(true);
                }
 
                unset($options['bold']);
            }
 
            //设置单元格边框，整个表格设置即可，必须在数据填充后才可以获取到最大行列
            /*if (isset($options['setBorder']) && $options['setBorder']) {
                $border    = [
                    'borders' => [
                        'allBorders' => [
                            'borderStyle' => Border::BORDER_THIN, // 设置border样式
                            'color'       => ['argb' => 'FF000000'], // 设置border颜色
                        ],
                    ],
                ];
                $setBorder = 'A1:' . $activeSheet->getHighestColumn() . $activeSheet->getHighestRow();
                $activeSheet->getStyle($setBorder)->applyFromArray($border);
                unset($options['setBorder']);
            }*/
 
            $fileName = !empty($fileName) ? $fileName : (date('YmdHis') . '.xlsx');
 
            if (!isset($options['savePath'])) {
                //直接导出Excel，无需保存到本地，输出07Excel文件
                header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
                header(
                    "Content-Disposition:attachment;filename=" . iconv(
                        "utf-8", "GB2312//TRANSLIT", $fileName
                    )
                );
                header('Cache-Control: max-age=0');//禁止缓存
                $savePath = 'php://output';
            } else {
                $savePath = $options['savePath'];
            }
 
            ob_clean();
            ob_start();
            $objWriter = IOFactory::createWriter($objSpreadsheet, 'Xlsx');
            $objWriter->save($savePath);
            //释放内存
            $objSpreadsheet->disconnectWorksheets();
            unset($objSpreadsheet);
            ob_end_flush();
            exit();
 
            return true;
        } catch (Exception $e) {
            return false;
        }
    }
}